CN110059344A - A kind of electric power pylon planing method based on characteristic parameter - Google Patents
A kind of electric power pylon planing method based on characteristic parameter Download PDFInfo
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- CN110059344A CN110059344A CN201910163353.6A CN201910163353A CN110059344A CN 110059344 A CN110059344 A CN 110059344A CN 201910163353 A CN201910163353 A CN 201910163353A CN 110059344 A CN110059344 A CN 110059344A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
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- 241000208340 Araliaceae Species 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
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Abstract
The present invention relates to power transmission technology field, especially a kind of electric power pylon planing method based on characteristic parameter.Including following procedure: step 1, carrying out classification and Uniform Name to steel tower outer dimension and hanging point under three-dimensional scenic, obtain the characteristic parameter based on three-dimensional coordinate；Step 2, the threedimensional model of steel tower is decomposed into regular geometric body, drives the size of regular geometric body by characteristic parameter using d solid modeling technology；Step 3, the characteristic parameter of the iron tower model in step 1 is carried out corresponding with the structure node coordinate of regular geometric body in step 2, establishes incidence relation.Technical solution of the present invention carries out Parametric Definition to steel tower shape, and according to required typical tower head parameterized model, the rapid modeling of tower head is can be realized by inputting relevant series of parameters in designer.Relative to traditional two-dimensional design mode, the tower planning under three-dimensional environment reduces actual condition state, substantially increases the efficiency and accuracy of tower planning work.
Description
Technical field
The present invention relates to power transmission technology field, especially a kind of electric power pylon planing method based on characteristic parameter.
Background technique
Electric power pylon is the basic unit in transmission line of electricity, and usual electric power pylon is according to items such as voltage class, landform, height above sea level
The variation of part, structure type and size also change.Steel tower design is firstly the need of modeling work is completed, wherein main
Work be the Clearance joints provided according to electric specialty, distance between grounded-line, ground wire shielding angle, hanging point distance, exhale it is high, lead
The characteristic parameters such as ground plane height determine steel tower size.Currently, electric power pylon planning mode is the operation mode based on two-dimentional drawing,
It designs poor intuition, low efficiency.Under previous two-dimensional scene tower planning by arrangement tower head profile, draw Clearance joints, repeatedly
It adjusts the series of steps such as tower head size to complete, not only professional's heavy workload, but also due to will be under script three-dimensional scenic
The plane body that space body is reduced under two-dimensional scene is operated, therefore obtained end result precision is not high.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, the thought of parametrization is introduced planning
During analysis, a kind of electric power pylon planing method based on characteristic parameter is provided.
The technical solution adopted by the invention is as follows: a kind of electric power pylon planing method based on characteristic parameter, including it is following
Process:
Step 1, classification and Uniform Name are carried out to steel tower outer dimension and hanging point under three-dimensional scenic, obtained based on three-dimensional
The characteristic parameter of coordinate；
Step 2, the threedimensional model of steel tower is decomposed into regular geometric body, makes regular geometric using d solid modeling technology
The size of body is driven by characteristic parameter；
Step 3, by the structure node coordinate of regular geometric body in the characteristic parameter of the iron tower model in step 1 and step 2
It is corresponded to, establishes incidence relation.
Further, the detailed process of the step 1 are as follows: step 11, steel tower appearance profile point is extracted, by its three-dimensional coordinate
Value is labeled as X, Y and three direction character parameters of Z axis；Step 12, X, Y of profile point and Z axis characteristic parameter are named,
Guarantee that each coordinate value is provided with parameter attribute；Step 13, it is required according to electric function, determines hanging point in three-dimensional scenic
Position；Step 14, X, Y to all hanging points and Z axis characteristic parameter are named, and that establishes coordinate and characteristic parameter is associated with pass
System；Step 15, the incidence relation of hanging point characteristic parameter and shape profile point characteristic parameter in step 12 in step 14 is determined.
Further, in the step 13, hanging point coding rule is initially set up, presses ground wire, conducting wire, wire jumper hanging point respectively,
From left to right, from front to back, hanging point is encoded from top to bottom.
Further, when the hanging point characteristic parameter in step 15 cannot establish incidence relation with appearance profile point feature parameter
When, hanging point characteristic parameter should individually be enumerated and.
Further, the detailed process of the step 2 are as follows: step 21, the composed structure of steel tower geometrical model is divided
Solution, the functional structure decomposed；Step 22, each funtion part is further subdivided into the solid of rule, the rule
Solid is three-dimensional element figure, and the shape of each element figure is controlled by the coordinate of a group node；Step 23, will
The common points of connected element figure carry out merger two-by-two；Step 24, by the profile section in the node of element figure and step 1
Point and hanging point correspond.
Further, when the node of element figure can not find the corresponding relationship with profile node and hanging point, step should be returned
Characteristic parameter is set in rapid 1 and is named.
Further, the solid of the rule includes triangular prism, truncated rectangular pyramids, triangular pyramid.
Further, functional structure geometrical model decomposed includes: tower body, tower leg, tower head, conducting wire cross-arm, ground wire branch
Frame, wire jumper bracket, compound cross-arm.
Compared with prior art, by adopting the above technical scheme have the beneficial effect that technical solution of the present invention to steel tower outside
Shape carries out Parametric Definition, and according to required typical tower head parameterized model, designer is by inputting a series of relevant ginsengs
Number, can be realized the rapid modeling of tower head.Designer can arbitrarily adjust steel tower outer dimension according to design condition, three
It ties up in design platform and work transmission line tower planning is completed according to specified boundary condition.Relative to traditional two-dimensional design
Mode, the tower planning under three-dimensional environment reduce actual condition state, substantially increase the efficiency and standard of tower planning work
True property.
Detailed description of the invention
Fig. 1 is that the present invention is based on the electric power pylon planing method flow diagrams of characteristic parameter.
Fig. 2 is conventional linear and hanging point position and attribute schematic diagram.
Fig. 3 is conventional anchor support hanging point position and attribute schematic diagram.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Since the structure of different electric power pylons has similitude and inheritance, this is provided to carry out the application of parametric modeling
Necessary basic condition.The characteristic parameter that tower planning is related to includes hanging point position and attribute, control size etc..Hanging point
Position and attribute are mainly used for meeting electrical hanging wire requirement, and control size is mainly used for Steel Tower and optimization.
Embodiment as shown in Figure 1, a kind of electric power pylon planing method based on characteristic parameter, including following procedure:
Step 1, classification and Uniform Name are carried out to steel tower outer dimension and hanging point under three-dimensional scenic, obtained based on three-dimensional
The characteristic parameter of coordinate；Here characteristic parameter in three-dimensional scenic reference axis and coordinate value it is closely related；Step 2, by iron
The threedimensional model of tower is decomposed into regular geometric body, such as: steel tower tower body and cross-arm can be regarded as the rule being made of quadrangular
Solid, earth wire support are considered as triangular prism.Multiple solids can be further subdivided into when profile slope change, each
Solid can be indicated by the coordinate at definition outer profile control point with parameterized solid modeling unit.Utilize 3D solid
Modeling technique drives the size of regular geometric body by characteristic parameter；Step 3, the feature of the iron tower model in step 1 is joined
Number carries out corresponding with the structure node coordinate of regular geometric body in step 2, establishes incidence relation for example: conducting wire hanging point center away from
XC1=conducting wire cross-arm triangular prism structure node X-coordinate；Solid control point is driven to sit by manually adjusting characteristic parameter in this way
Mark modification generates steel tower outer profile threedimensional model using computer graphics techniques.The above process can reduce electric power pylon planning
The workload of design improves working efficiency.
Preferred embodiment, the detailed process of the step 1: step 11, extracting steel tower appearance profile point, its three-dimensional is sat
Scale value is labeled as X, Y and three direction character parameters of Z axis；Step 12, X, Y of profile point and Z axis characteristic parameter are ordered
Name, such as grounded-line hanging point layer is high, variable slope segment is high, straight section is high, mouth width under mouth width, variable slope segment in variable slope segment, straight section is wide, top surface is wide,
Inflection point of cranking arm is wide, guarantees that each coordinate value is provided with parameter attribute；Step 13, it is required according to electric function, determines hanging point three
Tie up the position in scene；Step 14, X, Y to all hanging points and Z axis characteristic parameter are named, and establish coordinate and feature is joined
Several incidence relations, such as X-coordinate are named as hanging point and tower body centre distance, and Y-coordinate is named as hanging point longitudinal width, Z coordinate
It is named as the vertical height of hanging point；Step 15, hanging point characteristic parameter and shape profile point characteristic parameter in step 12 in step 14 are determined
Incidence relation, as layer height=upper and lower level hanging point hangs down high distance.
Hanging point position: hanging point is different from appearance profile point, is normally inside model.Hanging point coding rule is initially set up,
Hanging point is encoded from top to bottom from left to right, from front to back by ground wire, conducting wire, wire jumper hanging point respectively, conventional hanging point
Coding rule:
1 steel tower routine hanging point coding rule of table
Fig. 2 is conventional linear tower hanging point position and attribute schematic diagram, and diagram hanging point includes: that left ground wire hanging point G1, upper left are led
Line hanging point C1, left conducting wire hanging point C2, lower-left conducting wire hanging point C3, right ground wire hanging point G2, upper right conducting wire hanging point G4, the right side in conducting wire
Hanging point G5, bottom right conducting wire hanging point G6.Fig. 3 is conventional anchor support hanging point position and attribute schematic diagram, and diagram hanging point includes: leftly
Hanging point G1-2, left ground wire front side hanging point G1-1, upper left conducting wire rear side hanging point C1-3, C1-4, upper left conducting wire front side hanging point on rear side of line
C1-1, C1-2, upper left wire jumper hanging point T1-1, T1-2, right ground wire rear side hanging point G2-2, right ground wire front side hanging point G2-1, upper right are led
Hanging point G4-3, G4-4, upper right conducting wire front side hanging point G4-1, G4-2, upper right wire jumper hanging point T4-1, T4-2, T4-3 on rear side of line.
When the hanging point characteristic parameter in step 15 cannot establish incidence relation with appearance profile point feature parameter, should will hang
Point feature parameter, which individually enumerates, to be come.All parameters are enumerated, as profile control dimensional parameters 1, profile control dimensional parameters
2 ... hanging point coordinate parameters 1 ... etc..
Preferred embodiment, the detailed process of the step 2 are as follows: step 21, by the composed structure of steel tower geometrical model into
Row decompose, the functional structure decomposed, for example, functional structure include: tower body, tower leg, tower head, conducting wire cross-arm, earth wire support,
Wire jumper bracket, compound cross-arm；Step 22, each funtion part is further subdivided into the solid of rule, for example including trigone
Column, truncated rectangular pyramids, the regular geometric body are three-dimensional element figure, and the shape of each element figure passes through the seat of a group node
Mark is to control；Step 23, the common points for the element figure that is connected two-by-two are subjected to merger, i.e. elimination redundancy section；Step 24,
By the profile node and hanging point one-to-one correspondence in the node of element figure and step 1.
When the node of element figure can not find the corresponding relationship with profile node and hanging point, answers and be arranged in return step 1
Characteristic parameter is simultaneously named.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (8)
1. a kind of electric power pylon planing method based on characteristic parameter, which is characterized in that including following procedure:
Step 1, classification and Uniform Name are carried out to steel tower outer dimension and hanging point under three-dimensional scenic, obtains and is based on three-dimensional coordinate
Characteristic parameter；
Step 2, the threedimensional model of steel tower is decomposed into regular geometric body, makes regular geometric body using d solid modeling technology
Size is driven by characteristic parameter；
Step 3, the structure node coordinate of regular geometric body in the characteristic parameter of the iron tower model in step 1 and step 2 is carried out
It is corresponding, establish incidence relation.
2. the electric power pylon planing method based on characteristic parameter as described in claim 1, which is characterized in that the step 1
Detailed process are as follows: step 11, extract steel tower appearance profile point, its D coordinates value is labeled as X, Y and three direction characters of Z axis
Parameter；Step 12, X, Y of profile point and Z axis characteristic parameter are named, guarantee that each coordinate value is provided with parameter attribute；
Step 13, it is required according to electric function, determines position of the hanging point in three-dimensional scenic；Step 14, to X, Y and Z of all hanging points
Axis characteristic parameter is named, and establishes the incidence relation of coordinate and characteristic parameter；Step 15, determine that hanging point feature is joined in step 14
Several incidence relations with shape profile point characteristic parameter in step 12.
3. the electric power pylon planing method based on characteristic parameter as claimed in claim 2, which is characterized in that the step 13
In, hanging point coding rule is initially set up, presses ground wire, conducting wire, wire jumper hanging point respectively, it is from left to right, from front to back, right from top to bottom
Hanging point is encoded.
4. the electric power pylon planing method based on characteristic parameter as claimed in claim 3, which is characterized in that when in step 15
When hanging point characteristic parameter cannot establish incidence relation with appearance profile point feature parameter, hanging point characteristic parameter should individually be enumerated
Come.
5. the electric power pylon planing method based on characteristic parameter as claimed in claim 4, which is characterized in that the step 2
Detailed process are as follows: step 21, the composed structure of steel tower geometrical model is decomposed, the functional structure decomposed；Step 22,
Each funtion part is further subdivided into the solid of rule, the regular geometric body is three-dimensional element figure, each basic
The shape of pel is controlled by the coordinate of a group node；Step 23, the common points for the element figure that is connected two-by-two are carried out
Merger；Step 24, by the profile node and hanging point one-to-one correspondence in the node of element figure and step 1.
6. the electric power pylon planing method based on characteristic parameter as claimed in claim 5, which is characterized in that when element figure
When node can not find the corresponding relationship with profile node and hanging point, answers and characteristic parameter is set in return step 1 and is named.
7. the electric power pylon planing method based on characteristic parameter as claimed in claim 5, which is characterized in that it is described rule it is several
What body includes triangular prism, truncated rectangular pyramids, triangular pyramid.
8. the electric power pylon planing method based on characteristic parameter as claimed in claim 5, which is characterized in that by geometrical model point
The functional structure of solution includes: tower body, tower leg, tower head, conducting wire cross-arm, earth wire support, wire jumper bracket, compound cross-arm.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504747A (en) * | 2014-11-19 | 2015-04-08 | 中国南方电网有限责任公司电网技术研究中心 | Fully-parametric three-dimensional pole and tower modeling method |
| WO2016168617A1 (en) * | 2015-04-17 | 2016-10-20 | Schlumberger Technology Corporation | Well plan system |
| CN106326580A (en) * | 2016-08-29 | 2017-01-11 | 广州地铁设计研究院有限公司 | Modeling and designing method for elevated structure BIM (Building Information Modeling) model |
| CN107102991A (en) * | 2016-02-19 | 2017-08-29 | 中国电力科学研究院 | A kind of shaft tower parametric modeling method in three-dimension GIS system |
| CN109190267A (en) * | 2018-09-11 | 2019-01-11 | 北京道亨时代科技有限公司 | A kind of method that steel tower single-line model constructs automatically |
-
2019
- 2019-03-05 CN CN201910163353.6A patent/CN110059344A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504747A (en) * | 2014-11-19 | 2015-04-08 | 中国南方电网有限责任公司电网技术研究中心 | Fully-parametric three-dimensional pole and tower modeling method |
| WO2016168617A1 (en) * | 2015-04-17 | 2016-10-20 | Schlumberger Technology Corporation | Well plan system |
| CN107102991A (en) * | 2016-02-19 | 2017-08-29 | 中国电力科学研究院 | A kind of shaft tower parametric modeling method in three-dimension GIS system |
| CN106326580A (en) * | 2016-08-29 | 2017-01-11 | 广州地铁设计研究院有限公司 | Modeling and designing method for elevated structure BIM (Building Information Modeling) model |
| CN109190267A (en) * | 2018-09-11 | 2019-01-11 | 北京道亨时代科技有限公司 | A kind of method that steel tower single-line model constructs automatically |
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Application publication date: 20190726 |